feat: 请求响应拦截封装

src/renderer/utils/request.ts

@@ -1,21 +1,78 @@
 import axios from 'axios'
+import cache from '@utils/cache'
+import errorCode from '@constant/errorCode'
+import { ElNotification , ElMessageBox, ElMessage } from 'element-plus'
+import { getToken } from '@utils/auth'
+import { tansParams } from '@utils/tansParams'
 
 // 获取.env中的服务地址
 const { VITE_SERVICE_URL } = (import.meta as any).env
-console.log("🚀 ~ SERVICE_URL:", VITE_SERVICE_URL)
+
+// 是否显示重新登录
+export let isRelogin = { show: false }
+
+axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
 
 // 创建axios对象
 const instance = axios.create({
-  baseURL: VITE_SERVICE_URL
+  baseURL: VITE_SERVICE_URL,
+  // 超时
+  timeout: 10000
 })
 
 // 添加拦截器
 instance.interceptors.request.use(
   (config) => {
-    const token = localStorage.getItem('token')
-    if (token) {
-      (config as any).headers = { ...(config.headers || {}), Authorization: `Bearer ${token}` }
+    // 是否需要设置 token
+    const isToken = (config.headers || {}).isToken === false
+    // 是否需要防止数据重复提交
+    const isRepeatSubmit = (config.headers || {}).repeatSubmit === false
+    if (getToken() && !isToken) {
+      config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
     }
+    // get请求映射params参数
+    if (config.method === 'get' && config.params) {
+      let url = config.url + '?' + tansParams(config.params)
+
+      url = url.slice(0, -1)
+      config.params = {}
+      config.url = url
+    }
+
+    if (!isRepeatSubmit && (config.method === 'post' || config.method === 'put')) {
+      const requestObj = {
+        url: config.url,
+        data: typeof config.data === 'object' ? JSON.stringify(config.data) : config.data,
+        time: new Date().getTime()
+      }
+      const requestSize = Object.keys(JSON.stringify(requestObj)).length // 请求数据大小
+      const limitSize = 5 * 1024 * 1024 // 限制存放数据5M
+
+      if (requestSize >= limitSize) {
+        console.warn(`[${config.url}]: ` + '请求数据大小超出允许的5M限制，无法进行防重复提交验证。')
+        return config
+      }
+
+      const sessionObj = cache.session.getJSON('sessionObj')
+
+      if (sessionObj === undefined || sessionObj === null || sessionObj === '') {
+        cache.session.setJSON('sessionObj', requestObj)
+      } else {
+        const s_url = sessionObj.url         // 请求地址
+        const s_data = sessionObj.data       // 请求数据
+        const s_time = sessionObj.time       // 请求时间
+        const interval = 1000                // 间隔时间(ms)，小于此时间视为重复提交
+
+        if (s_data === requestObj.data && requestObj.time - s_time < interval && s_url === requestObj.url) {
+          const message = '数据正在处理，请勿重复提交'
+          console.warn(`[${s_url}]: ` + message)
+          return Promise.reject(new Error(message))
+        } else {
+          cache.session.setJSON('sessionObj', requestObj)
+        }
+      }
+    }
+
     return config
   },
   (error) => {
@@ -25,14 +82,54 @@ instance.interceptors.request.use(
 
 // 添加响应拦截器
 instance.interceptors.response.use(
-  (response) => {
-    return response.data
+  (res) => {
+    // 未设置状态码则默认成功状态
+    const code = res.data.code || 200
+    // 获取错误信息
+    const msg = (errorCode as any)[code] || res.data.msg || errorCode['default']
+    // 二进制数据则直接返回
+    if (res.request.responseType ===  'blob' || res.request.responseType ===  'arraybuffer') {
+      return res.data
+    }
+    if (code === 401) {
+      if (!isRelogin.show) {
+        isRelogin.show = true
+        ElMessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', { confirmButtonText: '重新登录', cancelButtonText: '取消', type: 'warning' }).then(() => {
+          isRelogin.show = false
+          // useUserStore().logOut().then(() => {
+          //   location.href = '/index'
+          // })
+      }).catch(() => {
+        isRelogin.show = false
+      })
+    }
+      return Promise.reject('无效的会话，或者会话已过期，请重新登录。')
+    } else if (code === 500) {
+      ElMessage({ message: msg, type: 'error' })
+      return Promise.reject(new Error(msg))
+    } else if (code === 601) {
+      ElMessage({ message: msg, type: 'warning' })
+      return Promise.reject(new Error(msg))
+    } else if (code !== 200) {
+      ElNotification.error({ title: msg })
+      return Promise.reject('error')
+    } else {
+      return  Promise.resolve(res.data)
+    }
   },
   (error) => {
-    if (error && error.response && error.response.status === 401) {
-      try { localStorage.removeItem('token') } catch {}
-      if (typeof window !== 'undefined') window.location.href = '/'
+    let { message } = error
+
+    if (message == "Network Error") {
+      message = "后端接口连接异常"
+    } else if (message.includes("timeout")) {
+      message = "系统接口请求超时"
+    } else if (message.includes("Request failed with status code")) {
+      message = "系统接口" + message.substr(message.length - 3) + "异常"
     }
+
+    ElMessage({ message: message, type: 'error', duration: 5 * 1000 })
+
     return Promise.reject(error)
   }
 )